Nissan 370Z Forum

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-   Intake/Exhaust (http://www.the370z.com/intake-exhaust/)
-   -   MOTORDYNE ART Pipes - Review (http://www.the370z.com/intake-exhaust/29381-motordyne-art-pipes-review.html)

Rafa341 06-09-2011 03:59 AM

does anyone have a sound slip of the art pipes paired with the f.i cbe?

Motordyne 06-09-2011 10:56 AM

Sound clips of that combination are guaranteed to happen, just give it a little more time.

tonybui 06-09-2011 11:57 AM

how about art pipe + topspeed exhaust? LOL i doubt it :(

daisuke149 06-09-2011 12:20 PM

Quote:

Originally Posted by tonybui (Post 1159955)
how about art pipe + topspeed exhaust? LOL i doubt it :(

call up Atl370z on this forum. :p tell him to come out to z1 when i get all my stuff installed. maybe can throw top speed on my car after the ART just to get a sound bit.

(alot of work for just a sound bit)

Motordyne 06-09-2011 12:25 PM

Quote:

Originally Posted by tonybui (Post 1159955)
how about art pipe + topspeed exhaust? LOL i doubt it :(

Sure, why not? There will be a lot of ART pipes flooding the 370Z market. It is bound to eventually happen.

G37sHKS 06-09-2011 05:02 PM

Quote:

Originally Posted by Motordyne (Post 1160052)
Sure, why not? There will be a lot of ART pipes flooding the 370Z market. It is bound to eventually happen.

And when Motordyne exhaust will flood the 370Z market?

AlphaSnacks 06-09-2011 06:31 PM

Did mine ship today? :D

Motordyne 06-10-2011 12:56 PM

Yes. A tracking number will be emailed to you in just a few.

AlphaSnacks 06-10-2011 01:32 PM

Awesome. One bit of good news on a crappy day. :)

AlphaSnacks 06-10-2011 03:43 PM

Woo. Tracking number! 13lb package, eh? So excluding packaging and box, each ART Pipe weighs about 6lbs? That's light. :)

OEM CATs weigh about 15lbs each.

daisuke149 06-11-2011 09:23 PM

So Tony = the man.

Got a few sets of these ART pipes in and installing today.

3 sets got installed. but had 4 happy customers (mine arent installed yet)

They produced 0 rasp on any of the cars. None of the cars sounded Tiny. They were just meaner, deaper, and a little louder. Nothing abnoxiously loud. Not even the car with the FI exhaust.

THe Pipes arrived in great shape, they were shiny and nice looking and went on smooth.

Armon! post up your thoughts!.

P.S quote from friend with FI exhaust and ART Pipes when i called him just a few ago "Cant wait till work is F*****g over so i can go drive again, its awesome" now i just cant wait for mine to get installed !

Armonster 06-12-2011 02:58 PM

So far I'm liking the pipes in combination with the nismo exhaust. From a sound perspective, the exhaust is still very deep and rumbly, but just louder. The tone itself did not change much. Just what I wanted there. When revving, I notice a hissing sound coming from the pipes between about 3-5k rpms. It's NOT rasp, just a hiss. Not ideal, but better than rasp I suppose.

Car feels great now, though. It's a wonder I didn't get pulled over on the way home.

Oh, and [off topic] the ss clutch line is amazing. Clutch feels so much better.

Motordyne 06-12-2011 06:17 PM

Armonster,

What was your prior setup? Stock cats?

Armonster 06-12-2011 07:07 PM

Yep, stock cats with nismo cat-back.

AlphaSnacks 06-12-2011 09:03 PM

Armonster: How did the sound change and get louder exactly? Under wide open throttle? Or in general, even when driving around under light throttle? Let me know. I just want to make sure my Invidia stays as composed as it is now.

AggieAv8r 06-12-2011 09:21 PM

Quote:

Originally Posted by Arnold K. (Post 1165431)
Armonster: How did the sound change and get louder exactly? Under wide open throttle? Or in general, even when driving around under light throttle? Let me know. I just want to make sure my Invidia stays as composed as it is now.

I was wondering the same ... these should sound great with my ARK's, as long as the tone doesn't change too much. I don't mind 'em a little louder.

370Z JT 06-12-2011 09:46 PM

Quote:

Originally Posted by Arnold K. (Post 1165431)
Armonster: How did the sound change and get louder exactly? Under wide open throttle? Or in general, even when driving around under light throttle? Let me know. I just want to make sure my Invidia stays as composed as it is now.

At cold start up....Loud

Under 3K...sounds just like it was before.

Over 4K...loud, but not unbearable.

freeway driving...slight drone.

pauley 06-12-2011 10:37 PM

Are the Art pipes emissions passable? Got Md emissions testing just want to know and did'nt see any info on motordyne website.

Motordyne 06-13-2011 12:48 AM

I don't know about MD emission requirements but they probably are not compliant. The ART pipes are not CARB legal.

Armonster 06-13-2011 07:06 AM

Tony: I am hearing a slight rattle from the pipes during a cold start, and also during deceleration from about 2750-->2000rpm when I am not touching the gas pedal. Do you have an opinion on whether this is an installation issue? Also, do you have an opinion on the hissing sound that I described earlier?


Arnold: The exhaust sounds very close to how it did before, just a touch louder under all circumstances. Think about talking to a person standing 2 feet away from you, and then taking a few steps back and continuing your conversation from 5 feet away. Your voice would get louder but still sound like "you." I definitely notice the increased volume at start up and under acceleration. Wide open throttle is obviously where the biggest volume change lies. When I turn on the cruise control on the highway, I barely hear anything (maybe because of the nismo exhaust) until I decide to zoom around some person going too slow in the left lane.

Then there is the hissing sound that the pipes make during acceleration from about 2.5k-5k rpm, which is sort of like an additional soundtrack layered on top of the normal exhaust note. I am still trying to figure out whether this is normal, though.

Quote:

Originally Posted by Arnold K. (Post 1165431)
Armonster: How did the sound change and get louder exactly? Under wide open throttle? Or in general, even when driving around under light throttle? Let me know. I just want to make sure my Invidia stays as composed as it is now.


Motordyne 06-13-2011 08:10 AM

There is a stud that hangs down from the floor board that needs to be trimmed off. Its shown in the installation sheet. Make sure its not touching the pipe.

You will also find the sound changes to be slightly quieter once they break in. ~1K miles.

aadosx 06-13-2011 08:35 AM

Armonster: Sadly that hissing sound is just a by-product of the VQ and is unavoidable with any open (non-catted) exhaust system. I just installed my ART Pipes last night (will post a full review shortly, once I get more seat time) and switched from test pipes and I can tell you that with my test pipes the hissing was MUCH louder and more pronounced. You should only really hear the hissing when you're revving and the RPM's are dropping, right? Or if you happen to be cruising near a wall you can sometimes hear the hissing sound since it's reflecting back at you off the wall.

I drive a 350Z HR and I will say that I am having some sort of issue with a rattle and vibration. I'm not sure if the two are related. I'm going to get under the car asap and see what's going on.. it definitely isn't normal.

daisuke149 06-13-2011 10:16 AM

yeah there is a bolt that sticks down, i believe driver side that needs to be trimmed. Hopefully Rob told you about it and/or gave you the instructions sheet when he delivered yours to you!

aadosx 06-13-2011 10:21 AM

Yeah I thought that was only on G35's (and maybe 370Z's) but I will look into it asap.

Motordyne 06-13-2011 11:02 AM

All the 350 and 370 G's and Z's have that same heat shield stud that sticks down about an inch. Its on the driver side floor board. The stud excess length needs to be trimmed down or it may touch the sidebranch resonator.

Its easy to trim down. Its a metric M6 stud so its not thick. Dremel, bolt cutter, hack saw or even a heavy guage wire cutter will do it.

aadosx 06-14-2011 08:37 AM

waiting... waiting... waiting for business hours in Cali lol. Need to talk to Tony!

Motordyne 06-14-2011 09:46 AM

We're in and ready to take you calls. :)

aadosx 06-14-2011 10:41 AM

Nice talking to you Tony. Hopefully I can get these puppies on soon, they sound great!

AlphaSnacks 06-14-2011 03:54 PM

Hey Tony, since the resonators are considerably longer and have a rounded end - will this have an effect on torque? If I'm not mistaken, theoretically, it should allow for area where torque peaks to be a little longer/wider?

I remember on the VQ35DE ART Pipes torque peaked very quick and then dropped off...I imagine with this redesign the jump in torque should hold longer and be smoother before dropping off?

Motordyne 06-14-2011 04:17 PM

That's exactly what it does.

AlphaSnacks 06-14-2011 05:02 PM

Awesome!

NeverBoneStck 06-18-2011 02:40 PM

Has anyone developed a rattle in the revised art pipes?? The original set I had developed rattles and I sent them back .. Tony took care of me . The new revised set I have had on for about a mnth now has developed a driver side rattle in the art pipe. It is so freakin annoying ...

aadosx 06-18-2011 05:45 PM

Is it a rattle inside the pipe or is the pipe or resonator hitting your heatshield or car anywhere?

Boost_lee 06-18-2011 05:49 PM

can you describe the rattle and when it happens?

370Z JT 06-18-2011 06:17 PM

Mine is making a noise too after a month. Sounds coming from the area of the art pipes. Sounds more of a fluttering noise. Hoping it's just something loose. Mine was a used set though.

NeverBoneStck 06-18-2011 06:20 PM

Quote:

Originally Posted by aadosx (Post 1177237)
Is it a rattle inside the pipe or is the pipe or resonator hitting your heatshield or car anywhere?

I checked for all and any contact anything loose and the heat shield. The rattle is coming from the resonator. I was underneath the car and when you step on the gas it rattles loud. When the car idles it is very faint . The rattle is coming from the drivers side art pipe for now. My original art pipes welds failed. I waited for these and 1 mnth later here it is again ...

AlphaSnacks 06-18-2011 07:17 PM

Are you installing your brace back after the ART Pipes go on? Exhausts are known to crack if you don't install the brace by the OEM Cats.

370Z JT 06-18-2011 07:43 PM

Quote:

Originally Posted by Arnold K. (Post 1177350)
Are you installing your brace back after the ART Pipes go on? Exhausts are known to crack if you don't install the brace by the OEM Cats.

I talked to Tony about this and he said it is not necessary for the brace to be reinstalled.

So my SES light came on just now. Will take it to autozone to see if they can read it.

edit: so I guess it's illegal for autopart stores to read these codes now says the cashier.

NeverBoneStck 06-18-2011 07:53 PM

The rattle is coming from the resonator.. It sounds like a failed weld and soothing came loose on the inside of the resonator.. Hopefully Tony can resolve this...

370Z JT 06-18-2011 08:09 PM

Quote:

Originally Posted by NeverBoneStck (Post 1177386)
The rattle is coming from the resonator.. It sounds like a failed weld and soothing came loose on the inside of the resonator.. Hopefully Tony can resolve this...

When I bought my used ART pipes, there were some black/gray materials rattling inside the pipes. I just thought it was some residue or something. Is this what you are referring to?


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